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Scalability of Dynamic Lighting Control Systems

  • Leszek Kotulski
  • Igor WojnickiEmail author
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 96)

Abstract

The lighting standards allow to dim the lighting when the road traffic decreases. A control system gathers information from sensors and generates proper dimming levels for lighting points. The Dual Graph Grammars has been proposed as a formal background to maintain the information structure for such a control system. It results in separation of sensors structure from lighting infrastructure. It enables taking into account complex geographical distribution of sensors and logical dependencies among them, which leads to more precise and energy efficient control. What is more important it decreases the control system’s computing power requirements by reducing the problem size during run-time. The approach has been verified in practice by deployment to a control system which manages 3,768 light points. Experimental results show a reduction of the computation time by a factor of 2.8 in this case and quickly grows when number of sensors increases. It makes the control system to be scalable in IoT environments.

Keywords

Graph transformations Dual graph grammar Road lighting Street lighting Efficiency 

Notes

Acknowledgments

Funding: this work was supported by the AGH University of Science and Technology grant number 11.11.120.859.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Applied Computer ScienceAGH University of Science and TechnologyKrakowPoland

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